source: downloads/linux/flatpak/ogre1.9-gcc5.2.patch @ 151

--- a/OgreMain/include/OgreProgressiveMeshGenerator.h   2015-09-03 04:58:34.119585218 +0200
+++ b/OgreMain/include/OgreProgressiveMeshGenerator.h   2015-09-03 04:58:39.342585320 +0200
@@ -215,7 +215,40 @@
        void tuneContainerSize();
        void addVertexData(VertexData* vertexData, bool useSharedVertexLookup);
        template<typename IndexType>
-       void addIndexDataImpl(IndexType* iPos, const IndexType* iEnd, VertexLookupList& lookup, unsigned short submeshID);
+       void addIndexDataImpl(IndexType* iPos, const IndexType* iEnd, VertexLookupList& lookup, unsigned short submeshID)
+       {
+
+               // Loop through all triangles and connect them to the vertices.
+               for (; iPos < iEnd; iPos += 3) {
+                       // It should never reallocate or every pointer will be invalid.
+                       OgreAssert(mTriangleList.capacity() > mTriangleList.size(), "");
+                       mTriangleList.push_back(PMTriangle());
+                       PMTriangle* tri = &mTriangleList.back();
+                       tri->isRemoved = false;
+                       tri->submeshID = submeshID;
+                       for (int i = 0; i < 3; i++) {
+                               // Invalid index: Index is bigger then vertex buffer size.
+                               OgreAssert(iPos[i] < lookup.size(), "");
+                               tri->vertexID[i] = iPos[i];
+                               tri->vertex[i] = lookup[iPos[i]];
+                       }
+                       if (tri->isMalformed()) {
+#if OGRE_DEBUG_MODE
+                               stringstream str;
+                               str << "In " << mMeshName << " malformed triangle found with ID: " << getTriangleID(tri) << ". " <<
+                               std::endl;
+                               printTriangle(tri, str);
+                               str << "It will be excluded from LOD level calculations.";
+                               LogManager::getSingleton().stream() << str.str();
+#endif
+                               tri->isRemoved = true;
+                               mIndexBufferInfoList[tri->submeshID].indexCount -= 3;
+                               continue;
+                       }
+                       tri->computeNormal();
+                       addTriangleToEdges(tri);
+               }
+       }
        void addIndexData(IndexData* indexData, bool useSharedVertexLookup, unsigned short submeshID);
 
        void computeCosts();
--- a/OgreMain/src/OgreProgressiveMeshGenerator.cpp     2015-09-03 04:58:34.879585233 +0200
+++ b/OgreMain/src/OgreProgressiveMeshGenerator.cpp     2015-09-03 04:58:43.944585409 +0200
@@ -219,6 +219,8 @@
        }
        vbuf->unlock();
 }
+/// Called from OgreQueuedProgressiveMeshGenerator.cpp, so it can not be defined in here.
+#if 0
 template<typename IndexType>
 void ProgressiveMeshGenerator::addIndexDataImpl(IndexType* iPos, const IndexType* iEnd,
                                                 VertexLookupList& lookup,
@@ -256,6 +258,7 @@
                addTriangleToEdges(tri);
        }
 }
+#endif // 0
 
 void ProgressiveMeshGenerator::addIndexData(IndexData* indexData, bool useSharedVertexLookup, unsigned short submeshID)
 {